Armstrong, Patrick. <br/><br/>
An ethologist aboard hms beagle :  The young Darwin's observations on animal behavior / 
Patrick Armstrong. 
 -  1993. 
 - 339-344 p. 
<br/><br/><br/>Inglés 
<br/><br/><label>Subjects--Index Terms: </label>Darwin Beagle Ethologist  Etólogo Animal behavior Conducta animal 
<br/><br/><label>Dewey Class. No.: </label>576.82092